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$269+ Cheap flights from Rapid City to Milwaukee (RAP - MKE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — MKE
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Rapid City to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$269
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$253
From Rapid City to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Rapid City to Milwaukee

Cheapest flights from Rapid City to Milwaukee
Explore the most affordable flight options available from Rapid City to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:59 pmRAP - MKE
1 stop5h 00mUnited Airlines
Tue 9/237:00 amMKE - RAP
1 stop4h 22mUnited Airlines
Deal found 8/13$269
This United Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:59 pmRAP - MKE
1 stop5h 00mUnited Airlines
Sun 9/286:00 amMKE - RAP
1 stop5h 13mUnited Airlines
Deal found 8/14$319
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:59 pmRAP - MKE
1 stop5h 00mUnited Airlines
Sat 9/204:30 pmMKE - RAP
1 stop6h 29mUnited Airlines
Deal found 8/13$325
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:16 amRAP - MKE
1 stop4h 45mUnited Airlines
Sat 8/1610:53 amMKE - RAP
1 stop4h 57mUnited Airlines
Deal found 8/13$339
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1511:16 amRAP - MKE
1 stop4h 45mUnited Airlines
Mon 8/185:15 amMKE - RAP
1 stop6h 05mUnited Airlines
Deal found 8/13$409

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Rapid City to Milwaukee that are best for you.

Fly from

Rapid City

Fly to

Milwaukee

Route

Depart

Return

Price

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Wed 9/17

5:59 pm-11:59 pm

1 stop5h 00m

Milwaukee-Mitchell

Tue 9/23

7:00 am-10:22 am

1 stop4h 22m

$269

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Wed 9/24

5:59 pm-11:59 pm

1 stop5h 00m

Milwaukee-Mitchell

Sun 9/28

6:00 am-10:13 am

1 stop5h 13m

$319

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Wed 9/17

5:59 pm-11:59 pm

1 stop5h 00m

Milwaukee-Mitchell

Sat 9/20

4:30 pm-9:59 pm

1 stop6h 29m

$325

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Wed 9/24

1:12 pm-6:48 pm

1 stop4h 36m

Milwaukee-Mitchell

Sun 9/28

6:15 am-12:02 pm

1 stop6h 47m

$330

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Thu 10/16

9:56 am-4:59 pm

1 stop6h 03m

$286

Rapid CityMilwaukee

RAP - MKE

RAPMKE

Rapid City

Thu 10/16

5:58 pm-1:55 pm

3 stops42h 57m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Rapid City to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Milwaukee

What is the cheapest month to book a flight from Rapid City to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from Rapid City to Milwaukee (average of $280). Flying from Rapid City to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Rapid City to Milwaukee. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Rapid City to Milwaukee round-trip?

    According to our current data, Delta ($248), and United Airlines ($283) offers the cheapest pricing from Rapid City to Milwaukee. These flights start at 34% lower than the current average price 3 months from now.

  • Can I find deals for flights from Rapid City to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Rapid City to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Milwaukee.

  • Can I find deals for business class flights from Rapid City to Milwaukee?

    Yes. Cheapflights offers flight deals from Rapid City to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rapid City to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Rapid City to Milwaukee (average of $280). Flying from Rapid City to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Mequon
Oak Creek
Sheboygan
Wauwatosa

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Rapid City to Milwaukee

Discover the top 2 airlines that operate flights from Rapid City to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$316FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$510FlexibilityNo cancel feeOn-time69%

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